Listen now
to Dr. William Shiel discuss Heart Bypass Surgery as it relates to David Letterman and Former President Bill Clinton (MP3 3:57min
1.81MB)

The following is a partial transcript taken from this audio broadcast:

"Heart bypass surgery or coronary artery bypass grafting is a method to
deliver oxygen to heart muscle that is not receiving an adequate supply of
oxygen through the bloodstream. The reason that the heart muscle is not
receiving adequate blood circulation is because the heart arteries, the arteries
that supply blood to the heart (known as coronary arteries), are limited by the
buildup of cholesterol plaque in the internal wall of the blood vessels.
So, what this leads to..."